Table 3.

Differences in the smoking-related characteristics of participants from self-reported menthol and nonmenthol smokers in the study

Menthol (71)Nonmenthol (34)Fold change
Mean ± SDMean ± SDPa(Menthol/nonmenthol)
MG boost31.2 ± 42.8−2.78 ± 18.32.31E−0511.2
Maximum puff velocity (mL/sec)47.5 ± 13.751.6 ± 16.10.20−1.1
FTND4.8 ± 2.15.4 ± 2.70.20−1.1
CO boost5.2 ± 3.14.4 ± 3.60.201.2
3HC (ng/mL)90.8 ± 67.9106.7 ± 62.70.25−1.2
Nicotine boost14.0 ± 8.611.9 ± 7.00.311.2
NMR0.4 ± 0.20.4 ± 0.20.44−1.1
Average puff volume (mL)55.7 ± 18.552.7 ± 18.00.451.1
Average puff duration (sec)1.8 ± 0.61.6 ± 0.80.461.1
Cotinine (ng/mL)247.5 ± 97.3263.4 ± 115.60.46−1.1
Average interpuff interval (sec)20.0 ± 12.721.0 ± 14.70.74−1.0
Number of puffs12.6 ± 7.512.3 ± 6.60.871.0
Total smoke exposure (mL)691.7 ± 455.9690.3 ± 547.80.991.0
  • aP value was computed on the basis of two-sample t tests. Data significant at P < 0.05.